Hearing Specialists Act Article 47
A national union of hearing specialists associations may be initiated and organized only after more than one third of hearing specialists associations at the municipality and county (city) levels have been established.
中文原文 聽力師法第47條
聽力師公會全國聯合會之設立，應由三分之一以上之直轄市、縣（市）聽力師公會完成組織後，始得發起組織。